Figure 2.

Number of hits or publications per year in Google Scholar broken down into sequencing strategy, using the search terms “intellectual disability” + “whole-exome sequencing” (labeled WES), “intellectual disability” + “whole-genome sequencing” (labeled WGS), “intellectual disability” + “targeted sequencing” (labeled “Targeted sequencing”), “intellectual disability” + “somatic mutations” (labeled “Somatic mutations”), and “intellectual disability” + “X-linked” + “sequencing” (labeled “X-linked”).